dengzhhu653 commented on code in PR #6240:
URL: https://github.com/apache/hive/pull/6240#discussion_r2752146313


##########
ql/src/test/results/clientpositive/llap/ppd_like_filter.q.out:
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@@ -256,3 +256,51 @@ POSTHOOK: type: QUERY
 POSTHOOK: Input: default@test_tbl
 POSTHOOK: Input: default@test_tbl@b=d_%5C%25ae
 #### A masked pattern was here ####
+PREHOOK: query: select * from test_tbl where b like 'a.*'

Review Comment:
   > we don't have a single pattern for both jdo and the direct sql, jdo 
accepts .* (Java-type pattern) for any sequences and the sql allows _% for the 
same game. 
   
   I tried some similar, but I found it was difficult to me, 
https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L2211-L2218
   
   I've just done a small part of transformation between jdo and sql pattern, 
and it's difficult to add the tests to cover it.
   
   > When comes to HMS API, the user needs to take care of the pattern, whether 
it should be a Java-type pattern or sql pattern.
   
   What do you think about this way?
   



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